Dutch term – Concordans

A concordans is a translation table that gives you a mapping of a former numbering system to a newer numbering system.

For example, a concordans may exist to show how old addresses translate to new addresses. I used such a table in my research into my great-grandmother Cornelia Francisca van den Heuvel to show that address C 453 in Breda was the same as Leuvenaarstraat 158. It is rare to find such translation tables for addresses, so I got lucky.

Concordansen are sometimes provided in finding aids, if record groups are reorganized and the records get new call numbers. Old literature references may give you a number that is no longer in use. The introduction of the current finding aid may refer you to a concordans that will tell you what the current call number is to look up the record.

map of Breda

Breda in 1932. Credits: Topotijdreis (public domain)

About Yvette Hoitink

Yvette Hoitink, CG® is a professional genealogist in the Netherlands. She holds the Certified Genealogist credential from the Board for Certification of Genealogists and has a post-graduate certificate in Family and Local History from the University of Dundee. She has been doing genealogy for over 30 years and helps people from across the world find their ancestors in the Netherlands. Read about Yvette's professional genealogy services.

Comments

  1. This one is nice for the city of Utrecht: http://www.documentatie.org/uds4/zoekpagina5a.asp?id=170245

    Try wijk C no 12. It is now used as “Stadskasteel Oudaen” but often in death records used for the “Old men and women house”.

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